1 /*
2  * Copyright (C) 2015 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License
15  */
16 
17 package com.example.android.asymmetricfingerprintdialog;
18 
19 import android.app.Application;
20 import android.util.Log;
21 
22 import dagger.ObjectGraph;
23 
24 /**
25  * The Application class of the sample which holds the ObjectGraph in Dagger and enables
26  * dependency injection.
27  */
28 public class InjectedApplication extends Application {
29 
30     private static final String TAG = InjectedApplication.class.getSimpleName();
31 
32     private ObjectGraph mObjectGraph;
33 
34     @Override
onCreate()35     public void onCreate() {
36         super.onCreate();
37 
38         initObjectGraph(new FingerprintModule(this));
39     }
40 
41     /**
42      * Initialize the Dagger module. Passing null or mock modules can be used for testing.
43      *
44      * @param module for Dagger
45      */
initObjectGraph(Object module)46     public void initObjectGraph(Object module) {
47         mObjectGraph = module != null ? ObjectGraph.create(module) : null;
48     }
49 
inject(Object object)50     public void inject(Object object) {
51         if (mObjectGraph == null) {
52             // This usually happens during tests.
53             Log.i(TAG, "Object graph is not initialized.");
54             return;
55         }
56         mObjectGraph.inject(object);
57     }
58 
59 }
60